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Semi-parametric optimization for missing data imputation
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AI
DOI：10.1007/s10489-006-0032-0.png)
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摘要
En 中文
Missing data imputation is an important issue in machine learning and data mining. In this paper, we propose a new and efficient imputation method for a kind of missing data: semi-parametric data. Our imputation method aims at making an optimal evaluation about Root Mean Square Error (RMSE), distribution function and quantile after missing-data are imputed. We evaluate our approaches using both simulated data and real data experimentally, and demonstrate that our stochastic semi-parametric regression imputation is much better than existing deterministic semi-parametric regression imputation in efficiency and effectiveness.
Keyword:
missing data
missing data imputation
semi-parametric data